Devastating demonstrations of downhill demolition fly from the furiously flailing cycle-tires—trees, boulders and wood-peckers blurring in the peripheral edges of Greg Minnaar’s highly complex eye site. His motor-senses, centered-gravity and laser-focus on the quickest line down the mountain are good things to have for a South African World Champion racer who’s has been on a podium more times than any other mountain biker.